7209860

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{1051}}^1$

素因数の和:1081

約数の個数: 48

約数和(自身を含む): 17673600

約数和(自身を除く): 10463740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1051, 1372, 1715, 2102, 3430, 4204, 5255, 6860, 7357, 10510, 14714, 21020, 29428, 36785, 51499, 73570, 102998, 147140, 205996, 257495, 360493, 514990, 720986, 1029980, 1441972, 1802465, 3604930, 7209860]

約数ペア:

[(1, 7209860), (2, 3604930), (4, 1802465), (5, 1441972), (7, 1029980), (10, 720986), (14, 514990), (20, 360493), (28, 257495), (35, 205996), (49, 147140), (70, 102998), (98, 73570), (140, 51499), (196, 36785), (245, 29428), (343, 21020), (490, 14714), (686, 10510), (980, 7357), (1051, 6860), (1372, 5255), (1715, 4204), (2102, 3430)]